Cross-cut
10 Maintenance and cleaning
10.1 Maintenance which can be carried out by the user
The user is only allowed to carry out the following maintenance and cleaning work:
Outer cleaning of the device as described below
•
All other maintenance and repair work shall only be carried out by Zehntner
GmbH Testing Instruments or your authorized Zehntner agent, otherwise all
the guarantee and liability claims will be void.
10.2 Cleaning of the device
For cleaning of the aluminium housing use a proper, soft cloth. Only use soft
cleaning agents.
Do not use aggressive solvents or cleaning agents.
If the device has to be disinfected, do not use disinfectants that contain sodium
hydroxide.
According to
DIN EN ISO 2409
4:
The coating has flaked
along the edges of the cuts
in large ribbons and/or
some squares have
detached partly or wholly. A
cross-cut area greater than
65 % is affected.
5:
Any degree of flaking that
cannot even be classified by
classification 4.
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According to
ASTM D3359
1B
The coating has flaked
along the edges of cuts in
large ribbons and whole
squares have detached.
The area affected is 35 to
65 % of the lattice.
0B
Flaking and detachment
worse than classification
1B.